On Wed, Nov 23, 2016 at 12:27:38PM +0000, Roger Pau Monne wrote: > Commit ed04ca introduced a bug in the symtab/strtab loading for 32bit > guests, that corrupted the section headers array due to the padding > introduced by the elf_shdr union. > > The Elf section header array on 32bit should be accessible as an array of > Elf32_Shdr elements, and the union with Elf64_Shdr done in elf_shdr was > breaking this due to size differences between Elf32_Shdr and Elf64_Shdr. > > Fix this by copying each section header one by one, and using the proper > size depending on the bitness of the guest kernel. While there, also fix > a couple of consistency issues, by making sure we always use the sizes of > our local versions of the ELF header and the ELF sections headers. > > Reported-by: Brian Marcotte <marco...@panix.com> > Signed-off-by: Roger Pau Monné <roger....@citrix.com> > Acked-by: Ian Jackson <ian.jack...@eu.citrix.com> > Reviewed-by: Jan Beulich <jbeul...@suse.com>
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